Finding the Fourth Proportional to 738,108.51, 1,018,664.99 and 451,817.79
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Solution
The fourth proportional to 738,108.51, 1,018,664.99 and 451,817.79 is: 623,554.61
Step by Step Solution
- Step 1: Write the proportion equation
738,108.51 : 1,018,664.99 = 451,817.79 : x - Step 2: Convert to fraction form
738,108.51/1,018,664.99 = 451,817.79/x - Step 3: Cross multiply
738,108.51x = 1,018,664.99 × 451,817.79 - Step 4: Simplify right side
738,108.51x = 460,250,962,273.08 - Step 5: Solve for x
x = 460,250,962,273.08/738,108.51 - Step 6: Final answer
x = 623,554.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.